Commodities
PrimaryMica
Commodity typeN
Materials
Ore mineralsMuscovite
GangueBiotite, Kaolin, Microcline, Quartz, Tourmaline
Geology
Host rockPegmatite
Associated rockQuartzite,Gneiss
Economic & production
Development statusPast Producer
First production1916
Identification
Deposit ID10066309
MRDS IDTC42454
Alternate namesViuva Valerio #1
RegionSA
Data scoreC
Coordinates-20.42357, -41.89224
References
PECORA, W.T., KLEPPER, M.R., LARRABEE, D.M., BARBOSA, A.L.M., AND FRAYHA, RESK, 1950, MICA DEPOSITS IN MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY BULLETIN 964-C, P. 205-305.LARRABEE, D.M., AND FRAYHA, RESK, 1944, THE VIUVA VALERIA MICA MINE, MUNICIPIO OF MANHUMIRIM, MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY UNPUBLISHED REPORT, 13 P.CIMRIPECORA ET AL (1950); UNPUBLISHED DATA.